Trane RAUJ-C50 User Manual

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Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
April 2020
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Installation, Operation, and Maintenance
Split System
Cooling Condensers — 20 to 120 Tons
Remote Chillers — 20 to 120 Tons
RAUJ-C20
RAUJ-C25
RAUJ-C30
RAUJ-C40
RAUJ-C50
RAUJ-C60
RAUJ-C80
RAUJ-D10
RAUJ-D12

Trane RAUJ-C50 Specifications

General

Brand	Trane
Model	RAUJ-C50
Category	Air Conditioner
Language	English

Summary

Introduction and Safety Precautions

Electrical Safety and Grounding

Details requirements for safe electrical wiring, grounding, and PPE.

General Data and Dimensions

Installation Mechanical

Refrigerant Piping Requirements

Outlines guidelines for installing liquid, suction lines, filters, and valves.

Brazing, Leak Testing, and Safety Procedures

Covers proper brazing techniques and critical leak testing safety.

Installation Mechanical — EVP

Installation Electrical

Field Wiring Safety and Component Checkout

Emphasizes field wiring safety and outlines checkout procedures.

Operating Principles

TXV Adjustment and Fan Operation

Details TXV adjustment and condenser fan operation logic.

Pre-Start Procedures

Pre-Start Checklist and Safety Warnings

Provides a checklist and critical safety warnings before initial operation.

System Evacuation and Vacuum Testing

Details unit evacuation and standing vacuum test procedures.

Voltage Imbalance and Electrical Phasing

Covers voltage imbalance calculation and electrical phasing safety.

Start-Up Procedures

Refrigerant Charging and Compressor Start-Up

Provides steps for refrigerant charging and compressor start-up.

Motors Rotation and System Charging Checks

Guides on correcting motor rotation and performing system charging.

Maintenance Procedures

Compressor Replacement and Oil Handling

Electrical Phasing, Fuses, and Fall Restraint

Wiring Diagrams Reference